$2y^2-16x$

$\int\left(x\sqrt[9]{9+x^2}\right)dx$

$\frac{3}{2\left(y-2\right)}+\frac{2}{3\left(y-2\right)}$

$2\cdot1\cdot3+2\cdot1$

$\frac{\sec\left(x\right)+1}{\tan\left(x\right)}-\left(\frac{\tan\left(x\right)}{\sec\left(x\right)-1}\right)$

$1.25x^2-0.25x-0.6875$

$19ba^2b^6\:1$